docs: add interactive playground and quick start guide

- playground.js: Interaktives Script zum Ausprobieren aller Features
  - Forgejo API Client Demo
  - Post-Listing (53 Posts)
  - Vollständiges Parsing-Beispiel
  - AMB-Metadaten-Analyse mit Validierung
  - Content-Statistiken (Überschriften, Links, Bilder)
  - AST-Struktur-Visualisierung
  - JSON-Export-Vorschau
  - Farbige Console-Ausgabe

- QUICKSTART.md: Schnelleinstieg für Entwickler
  - Playground-Anleitung
  - Code-Beispiele für alle Use Cases
  - Alle verfügbaren Posts aufgelistet
  - Erweiterte Optionen
  - Links zur weiteren Dokumentation

Ready to use! 🚀
This commit is contained in:
Jörg Lohrer 2025-10-01 15:53:36 +02:00
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# 🚀 Quick Start Guide
## Installation & Setup
```bash
# 1. Dependencies installieren (schon erledigt ✅)
npm install
# 2. .env ist schon konfiguriert mit deinem Token ✅
```
## 🎮 Interaktives Ausprobieren
### Playground starten
```bash
node playground.js
```
Das Playground-Script zeigt dir:
- ✅ Verbindung zur Forgejo API
- ✅ Alle 53 Posts im Repository
- ✅ Vollständiges Parsing eines Posts
- ✅ AMB-Metadaten-Analyse
- ✅ Content-Statistiken (Überschriften, Links, Bilder)
- ✅ AST-Struktur
- ✅ JSON-Export
### Anderen Post wählen
Öffne `playground.js` und ändere Zeile 64:
```javascript
// Standard:
const selectedPost = '2025-04-20-OER-und-Symbole'
// Andere Posts (siehe Liste im Output):
const selectedPost = '2024-08-05-hello-world'
const selectedPost = '2024-09-06-OERcamp-Hamburg'
const selectedPost = '2025-07-02-nostr-schrein'
```
## 📚 Weitere Beispiele
### 1. Einzelnen Post von Forgejo parsen
```bash
node examples/parse-forgejo.js
```
### 2. Alle Posts auflisten
```bash
node examples/list-all-posts.js
```
### 3. Lokale Datei parsen
```bash
node examples/parse-local.js
```
## 💻 Im eigenen Code verwenden
### Einfaches Beispiel
```javascript
import { parseMarkdownFile } from './src/index.js'
const result = await parseMarkdownFile('./test/fixtures/example.md')
console.log(result.metadata.name) // Titel
console.log(result.metadata.creator) // Autoren
console.log(result.content.length) // Content-Länge
```
### Forgejo API nutzen
```javascript
import { createForgejoClient, parseMarkdownString } from './src/index.js'
// Client erstellen
const client = createForgejoClient()
// Alle Posts auflisten
const posts = await client.listPosts()
console.log(`${posts.length} Posts gefunden`)
// Einen Post abrufen und parsen
const markdown = await client.getPostContent('2024-08-05-hello-world')
const result = await parseMarkdownString(markdown)
console.log(result.metadata)
```
### Metadaten extrahieren
```javascript
import { extractAMBMetadata, validateAMBMetadata } from './src/index.js'
// AMB-Metadaten aus YAML extrahieren
const metadata = extractAMBMetadata(result.yaml)
// Validieren
const validation = validateAMBMetadata(metadata)
console.log(`Gültig: ${validation.valid}`)
console.log(`Fehler: ${validation.errors.length}`)
console.log(`Warnings: ${validation.warnings.length}`)
```
### Content analysieren
```javascript
import {
extractHeadings,
extractLinks,
extractImages
} from './src/index.js'
// Überschriften
const headings = extractHeadings(result.ast)
headings.forEach(h => {
console.log(`H${h.level}: ${h.text}`)
})
// Links
const links = extractLinks(result.ast)
links.forEach(link => {
console.log(`${link.text} → ${link.url}`)
})
// Bilder
const images = extractImages(result.ast)
images.forEach(img => {
console.log(`${img.alt} → ${img.url}`)
})
```
## 🧪 Tests ausführen
```bash
npm test
```
Output:
```
✅ Alle Tests erfolgreich!
✔ 11 Tests passing
```
## 📁 Verfügbare Posts im Repository
Die ersten 10 von 53 Posts:
1. `2025-07-02-nostr-schrein`
2. `2024-08-05-hello-world`
3. `2024-08-09-sdg-logos`
4. `2024-08-15-OER-im-Blick`
5. `2024-09-02-blog_its_jointly_2024`
6. `2024-09-03-OER-Fachtag-Orca.NRW`
7. `2024-09-04-OER-erklaert`
8. `2024-09-06-OERcamp-Hamburg`
9. `2024-09-11-OER-Brownbag`
10. `2024-09-15-pirner-oer-youtube`
## 🎯 Typische Use Cases
### 1. Alle Posts mit bestimmtem Tag finden
```javascript
const client = createForgejoClient()
const allPosts = await client.getAllPosts()
const oerPosts = []
for (const post of allPosts) {
const result = await parseMarkdownString(post.content)
if (result.metadata._tags?.includes('OER')) {
oerPosts.push(result)
}
}
console.log(`${oerPosts.length} Posts mit Tag "OER"`)
```
### 2. Statistiken über alle Posts
```javascript
const client = createForgejoClient()
const posts = await client.listPosts()
const stats = {
total: posts.length,
withAuthors: 0,
withLicense: 0,
avgContentLength: 0
}
let totalLength = 0
for (const post of posts.slice(0, 10)) {
const markdown = await client.getPostContent(post.name)
const result = await parseMarkdownString(markdown)
if (result.metadata?.creator) stats.withAuthors++
if (result.metadata?.license) stats.withLicense++
totalLength += result.content.length
}
stats.avgContentLength = Math.round(totalLength / 10)
console.log(stats)
```
### 3. Export als JSON
```javascript
import { writeFile } from 'fs/promises'
const client = createForgejoClient()
const markdown = await client.getPostContent('2024-08-05-hello-world')
const result = await parseMarkdownString(markdown)
// Nur Metadaten exportieren
const exportData = {
metadata: result.metadata,
stats: {
contentLength: result.content.length,
headings: extractHeadings(result.ast).length,
links: extractLinks(result.ast).length
}
}
await writeFile(
'export.json',
JSON.stringify(exportData, null, 2)
)
```
## 🔧 Erweiterte Optionen
### Parser-Optionen anpassen
```javascript
const result = await parseMarkdownString(markdown, {
extractYaml: true, // YAML Front Matter extrahieren
parseGfm: true, // GitHub Flavored Markdown
extractAMB: true // AMB-Metadaten extrahieren
})
```
### Eigene Forgejo-Instanz
```javascript
const client = new ForgejoClient({
baseUrl: 'https://deine-instanz.de/api/v1',
owner: 'dein-username',
repo: 'dein-repo',
branch: 'main',
token: 'dein-token'
})
```
## 📖 Weitere Dokumentation
- **README.md** - Vollständige Projekt-Dokumentation
- **docs/ARCHITECTURE.md** - Technische Architektur
- **docs/DECISIONS.md** - Design-Entscheidungen
- **test/parser.test.js** - Test-Beispiele
## 💡 Nächste Schritte
1. ✅ Parser ausprobieren (du bist hier!)
2. 🔜 WordPress Transformer (Phase 2)
3. 🔜 Nostr Transformer (Phase 2)
4. 🔜 Batch-Processing
5. 🔜 Browser-Build
## 🆘 Hilfe
Bei Fragen oder Problemen:
- Schaue in die Tests: `test/parser.test.js`
- Lese die Beispiele: `examples/*.js`
- Prüfe die API-Docs: `README.md`
Viel Erfolg! 🚀

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/**
* Interaktives Playground zum Ausprobieren des Parsers
*
* Verwendung:
* node playground.js
*/
import { createForgejoClient } from './src/forgejo-client.js'
import { parseMarkdownString, extractHeadings, extractLinks, extractImages } from './src/parser.js'
import { validateAMBMetadata } from './src/extractors/amb-extractor.js'
// Farben für Console-Output
const colors = {
reset: '\x1b[0m',
bright: '\x1b[1m',
green: '\x1b[32m',
yellow: '\x1b[33m',
blue: '\x1b[34m',
magenta: '\x1b[35m',
cyan: '\x1b[36m'
}
function print(text, color = 'reset') {
console.log(`${colors[color]}${text}${colors.reset}`)
}
function section(title) {
console.log('\n' + '='.repeat(70))
print(title, 'bright')
console.log('='.repeat(70) + '\n')
}
async function playground() {
section('🎮 MDParser Playground')
print('Dieses Script zeigt die verschiedenen Funktionen des Parsers.', 'cyan')
print('Du kannst den Code in playground.js anpassen, um zu experimentieren.\n', 'cyan')
// 1. Forgejo Client Setup
section('1⃣ Forgejo API Client')
const client = createForgejoClient()
print(`✓ Client erstellt`, 'green')
print(` Repository: ${client.owner}/${client.repo}`, 'blue')
print(` Branch: ${client.branch}`, 'blue')
// Repository-Info
const repo = await client.getRepository()
print(` Beschreibung: ${repo.description}`, 'blue')
// 2. Posts auflisten
section('2⃣ Posts auflisten')
const posts = await client.listPosts()
print(`${posts.length} Posts gefunden`, 'green')
// Die ersten 10 Posts anzeigen
print('\nErste 10 Posts:', 'yellow')
posts.slice(0, 10).forEach((post, i) => {
console.log(` ${i + 1}. ${post.name}`)
})
// 3. Einen Post parsen
section('3⃣ Post parsen')
// Du kannst hier einen anderen Post wählen!
const selectedPost = '2025-04-20-OER-und-Symbole'
print(`📄 Parse: ${selectedPost}`, 'yellow')
const markdown = await client.getPostContent(selectedPost)
print(`✓ Markdown geladen: ${markdown.length} Zeichen`, 'green')
const result = await parseMarkdownString(markdown)
print(`✓ Erfolgreich geparst`, 'green')
// 4. Metadaten analysieren
section('4⃣ AMB-Metadaten')
if (result.metadata) {
const meta = result.metadata
console.log('\n📋 Basis-Informationen:')
console.log(` Titel: ${meta.name || 'N/A'}`)
console.log(` Typ: ${meta.type}`)
console.log(` Lizenz: ${meta.license || 'N/A'}`)
console.log(` Datum: ${meta.datePublished || 'N/A'}`)
console.log(` ID: ${meta.id || 'N/A'}`)
console.log(` Sprache: ${meta.inLanguage ? meta.inLanguage.join(', ') : 'N/A'}`)
if (meta.creator && meta.creator.length > 0) {
console.log('\n👥 Autoren:')
meta.creator.forEach((creator, i) => {
const name = creator.name || `${creator.givenName} ${creator.familyName}`
console.log(` ${i + 1}. ${name}`)
if (creator.id) console.log(` └─ ID: ${creator.id}`)
if (creator.affiliation) {
console.log(` └─ Affiliation: ${creator.affiliation.name}`)
}
})
}
if (meta.about && meta.about.length > 0) {
console.log('\n🏷 Themen:')
meta.about.forEach(topic => console.log(` - ${topic}`))
}
if (meta.learningResourceType && meta.learningResourceType.length > 0) {
console.log('\n📚 Lernressourcen-Typen:')
meta.learningResourceType.forEach(type => console.log(` - ${type}`))
}
// Validierung
const validation = validateAMBMetadata(meta)
console.log('\n✓ Validierung:')
console.log(` Status: ${validation.valid ? '✅ Gültig' : '⚠️ Unvollständig'}`)
if (validation.errors.length > 0) {
console.log(` Fehler: ${validation.errors.length}`)
validation.errors.forEach(err => console.log(` - ${err}`))
}
if (validation.warnings.length > 0) {
console.log(` Warnings: ${validation.warnings.length}`)
validation.warnings.slice(0, 3).forEach(warn => console.log(` - ${warn}`))
if (validation.warnings.length > 3) {
console.log(` ... und ${validation.warnings.length - 3} weitere`)
}
}
if (meta._warnings && meta._warnings.length > 0) {
console.log('\n⚠ Parser-Warnings:')
meta._warnings.forEach(w => console.log(` - ${w}`))
}
} else {
print('⚠️ Keine Metadaten gefunden', 'yellow')
}
// 5. Content-Analyse
section('5⃣ Content-Analyse')
console.log('📝 Content-Statistik:')
console.log(` Länge: ${result.content.length} Zeichen`)
console.log(` Zeilen: ${result.content.split('\n').length}`)
console.log(` Wörter (ca.): ${result.content.split(/\s+/).length}`)
// Überschriften
const headings = extractHeadings(result.ast)
console.log(`\n📑 Überschriften: ${headings.length}`)
headings.forEach(h => {
const indent = ' ' + ' '.repeat(h.level - 2)
console.log(`${indent}H${h.level}: ${h.text}`)
})
// Links
const links = extractLinks(result.ast)
if (links.length > 0) {
console.log(`\n🔗 Links: ${links.length}`)
links.slice(0, 5).forEach(link => {
console.log(` - ${link.text || 'Kein Text'}`)
console.log(`${link.url}`)
})
if (links.length > 5) {
console.log(` ... und ${links.length - 5} weitere`)
}
}
// Bilder
const images = extractImages(result.ast)
if (images.length > 0) {
console.log(`\n🖼️ Bilder: ${images.length}`)
images.forEach(img => {
console.log(` - ${img.alt || 'Kein Alt-Text'}`)
console.log(`${img.url}`)
})
}
// 6. AST-Struktur
section('6⃣ AST-Struktur (Auszug)')
console.log('🌲 Root-Node:')
console.log(` Type: ${result.ast.type}`)
console.log(` Children: ${result.ast.children?.length || 0}`)
if (result.ast.children && result.ast.children.length > 0) {
console.log('\n Erste 5 Child-Nodes:')
result.ast.children.slice(0, 5).forEach((child, i) => {
console.log(` ${i + 1}. ${child.type}`)
if (child.depth) console.log(` └─ depth: ${child.depth}`)
if (child.value) {
const preview = child.value.substring(0, 50)
console.log(` └─ value: "${preview}${child.value.length > 50 ? '...' : ''}"`)
}
})
if (result.ast.children.length > 5) {
console.log(` ... und ${result.ast.children.length - 5} weitere`)
}
}
// 7. Rohdaten-Export
section('7⃣ JSON-Export')
const exportData = {
metadata: result.metadata,
content: result.content.substring(0, 500) + '...',
stats: {
chars: result.content.length,
lines: result.content.split('\n').length,
headings: headings.length,
links: links.length,
images: images.length
}
}
console.log('📦 Export-Vorschau (erste 500 Zeichen Content):')
console.log(JSON.stringify(exportData, null, 2))
// 8. Tipps
section('💡 Tipps zum Experimentieren')
print('Du kannst dieses Script anpassen:', 'cyan')
console.log('\n1. Anderen Post wählen:')
console.log(' const selectedPost = "2024-08-05-hello-world"')
console.log('\n2. Mehrere Posts analysieren:')
console.log(' for (const post of posts.slice(0, 5)) { ... }')
console.log('\n3. Parser-Optionen anpassen:')
console.log(' const result = await parseMarkdownString(markdown, {')
console.log(' extractYaml: true,')
console.log(' parseGfm: true,')
console.log(' extractAMB: true')
console.log(' })')
console.log('\n4. Weitere Funktionen ausprobieren:')
console.log(' import { extractYAML, hasYAML } from "./src/index.js"')
section('✅ Fertig!')
print('Viel Spaß beim Experimentieren! 🎉', 'green')
print('Für mehr Infos: README.md oder docs/ARCHITECTURE.md\n', 'cyan')
}
// Fehlerbehandlung
playground().catch(error => {
console.error('\n❌ Fehler:', error.message)
console.error(error.stack)
process.exit(1)
})